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[SOLVED] How to Delete Junk Files from Android Devices

Jul 12, 2024 • Filed to: Data Wipe Solutions • Proven solutions

delete junk files android

Have you ever been bothered with slow motion on your Android phone? Perhaps it’s the junk files. With time, this can fill your Android device with files that consume volumes and impact its speed. You must remove these unnecessary files to keep your phone running normal and smoothly. In this article, we’ll look at their negative effects and how to delete junk files on Android with Dr.Fone’s Data Eraser. Read on to learn more

Part 1 Decoding Junk Files

Junk files are sneaky so-and-sos; they resemble ticks that hide everywhere inside Android devices. Let’s explore their “hideouts” and how they form:

  • 1. App Caches: App caches refer to temporary data created by apps. These files are used by your phones to enable faster loading when similar data is needed again. While useful for speeding up applications, they may become too big. It can end up consuming more storage space on your device.

Examples: Social media apps or web browsers cached images, videos, and scripts.

clear cache android

  • 2. Residual Files: These are leftovers from apps you uninstalled on their phones. After removing an app, some information might still be left on your device. Other than the fact that they can make the management of files difficult, residual files also waste storage space and create clutter.

Examples: Configuration files, logs, or any other things the application uses.

  • 3. Temporary Files: They are created when installing apps, updating them, or performing some tasks within an app. Although temporary, these can accumulate on your computer if not cleaned up. When this happens, they take up valuable storage that could have been used for better purposes.

Examples: Temporary installation files, update packages, data transfer generated files

  • 4. Duplicate Files: Various copies of the same file may exist undetected on your device. This is because duplication may consume a lot of space in the process, especially with large media files. This scenario results in unnecessary clutter; hence, there is difficulty in managing your files.

Examples: Duplicate photos, videos, documents, and music files, often resulting from many downloads or transfers.

How They Slow Down Your Phone

“Your phone’s performance can be affected by junk files, here is how:”

Memory Space: It is important to understand that when there are no adequate memory spaces much of your device is wasted away. However, an almost packed storage results in less space for efficient machine operation. The lack of available memory might prevent you from downloading new apps or saving new information and make your device always work with limited areas. When this happens to your phone, its entire performance slows down.

System Resources: A phone’s operating system works harder due to excessive waste of files, which might contribute to apps loading slowly, lags while using them, and a generally slower device. It may annoy you that some applications take longer to open up. You may further observe that screen changes take longer, and input responses happen late. They can be so annoying, thus lowering your productivity.

Power Consumption: Managing and indexing many files requires more processing power, so higher energy consumption may drain the battery faster. In this case, the battery life will not last like it used to on your mobile phone. You will have to charge it several times during the day shortening its lifespan.

android battery drain

Part 2 How to Use Dr.Fone to Delete Junk Files on Android

On the one hand, while Android has some built-in storage management tools meant for clearing junk files, Dr.Fone - Data Eraser offers a much better, all-around, safer solution. Below are reasons why you should consider using Dr.Fone:

Supported Scenarios

Deleting the junk files on your Android device could be beneficial, especially when:

  • Selling your Android device: Ensure all personal data is completely wiped out from the internal memory.
  • Giving away your device: Completely erase any information about yourself.

Dr.Fone Features

Let's dive into what makes Wondershare Dr.Fone truly stand out. Here are some of its best key features:

  • Deeper cleaning: Dr.Fone - Data Eraser does more than just clear caches. Besides caching leftovers from apps, it can identify and eliminate a larger range of junk files, such as temporary files and system junk.
  • Faster performance: By removing more junk files on your device, you can free up much storage space and enhance your phone's performance.
  • Safe and secure: While cleaning out junk files, Dr.Fone ensures that it does not tamper with your data by using some secure algorithms.
  • Additional features: Dr.Fone has other data management tools like data backup, recovery, and system repair in Dr.Fone-Data Eraser or Dr.Fone-Basic.

Important Note: Dr.Fone’s Data Eraser function forever wipes off all the information on your gadget. This feature is designed for situations such as when you want to sell or recycle your phone. Be cautious while you use this function because you may lose all your important information. It is strongly recommended to use Dr.Fone Phone Backup to back up their important data in advance.

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Dr.Fone - Data Eraser (Android)

Fully Erase Everything on Android and Protect Your Privacy

  • Simple, click-through process.
  • Wipe your Android completely and permanently.
  • Erase photos, contacts, messages, call logs, and all private data.
  • Supports all Android devices available in the market.
Available on: Windows Mac
4,683,556 people have downloaded it

Here is a step-by-step instructions on how to use Dr.Fone – Android Data Eraser:

Step 1: Open Dr.Fone, then connect your Android phone to the computer via a USB cable.

Step 2: Check if your phone has a USB debugging option to enable an effective connection.

Step 3: In the interface of Dr.Fone, under the Toolbox section, select “Data Eraser.”

Step 4: On the new window, click Start, which will initiate the erasing data.

click start button

Step 5: Once you begin this process, you will be required by Dr.Fone to confirm it by entering the code given. After typing it in, press Erase Now.

click erase now

Step 6: This action proceeds as Wondershare Dr.Fone deletes all your information. The next page outlines the progress of erasure before you end the process at any time just by hitting on stop button.

Step 7: Therefore, after wiping off all this data from your device; a pop-up message from Dr.Fone says everything was deleted successfully. If you want to know what files have been deleted recently from your gadget, select Erasure Report.

click erasure report

Important Reminder: At this point, all data, including photos, videos, contacts, messages, and applications, will be permanently wiped out from your device hence do not proceed if you are unsure or have made a recent backup.

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Part 3 Maintaining Long-Term Smoothness of Your Android

The smooth running of your Android phone requires regular maintenance. Dr.Fone provides more solutions if you are searching to regularly clean up junk files without erasing the whole device.

With Dr.Fone - Basic, you can:

Manage Android Data: Dr.Fone lets you manage your Android data, like photos, videos, messages, call history files, and calendars. Connect your device to the PC by cable or wireless using the Dr.Fone Link app to access these features.

Manage Your Music:

  • To manage your collection, go to Music. Import music files, including ringtones, recordings, and voicemails, and delete them.
  • Change the display of musical content with Album View and List View.
  • Deduplicate duplicates are found based on Name, Artist, and Album with the help of the Deduplicate button.

Manage Your Contacts:

  • Contacts show complete information for all contacts stored in your contact list. You can import vCard, CSV files, or Outlook address books and export them in similar formats.
  • Use the Deduplicate button on Search for Duplicate Contacts to find duplicate contacts.
  • Select contacts needing merging or use the Merge Contacts button, which merges all duplicates simultaneously.

Manage Your Android Apps:

  • Go to the Apps section by pressing on Apps to check the installed apps list.

dr fone phone manager

These are the other attributes of Dr.Fone - Basic:

  • Efficiency in Data Management. Enhance data utility by handling media files, combining duplicates, and securely arranging contacts, SMSs, and call logs.
  • Managing Applications. Backing up applications in bulk, batch installing or uninstalling them, including pre-installed junk.
  • Social Media Data. Preview, extract, and print WhatsApp or LINE conversations with media attachments.
  • iCloud and iTunes. Manage iCloud backups on Windows only; rebuild your iTunes library by exporting/importing media files.
  • Sync Live: Real-time syncing lets your phone transfer files and SMSs directly to your computer.

Additional Tips

  • Uninstall Unused Apps: Regularly go through all the apps that are not useful to you anymore and get rid of them.
  • Clear Cache: The cache for commonly used applications has to be cleared after a while.
  • Use Stock Apps: Use stock Android tools to clean and maintain it.


To maintain the performance and lifespan of your Android phone, it is crucial to regularly eliminate junk files. You can use Wondershare Dr.Fone Data Eraser to ensure your device remains clean and efficient, especially when selling or giving out the phone. For continuing maintenance purposes, an outstanding solution to manage all your data effectively is available in a program called Dr. Fone-Basic; thus, keep enjoying a better mobile experience through having a smooth-running Android.

safe Downloadsafe & secure

Daisy Raines

staff Editor

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Home > How-to > Data Wipe Solutions > [SOLVED] How to Delete Junk Files from Android Devices